<!DOCTYPE html>
<!--
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        date_default_timezone_set('Asia/Shanghai');
        $x= date('星期N');
        if ($x=='星期1') 
            echo '<img src="images/001.jpg" alt="星期1"/>';
        if ($x=='星期2') 
            echo '<img src="images/002.jpg" alt="星期2"/>';
        if ($x=='星期3') 
            echo '<img src="images/003.jpg" alt="星期3"/>';
        if ($x=='星期4') 
            echo '<img src="images/004.jpg" alt="星期4"/>';
        if ($x=='星期5') 
            echo '<img src="images/005.jpg" alt="星期5"/>';
        if ($x=='星期6') 
            echo '<img src="images/006.jpg" alt="星期6"/>';
        if ($x=='星期7') 
            echo '<img src="images/007.jpg" alt="星期天"/>';
        ?>
    </body>
</html>